From reading all the answers, looks like, as usual, it depends on the state. In Ohio, Realtors handle the sales. Most of them prefer not to, as those sales require more work than others, especially HUD owned houses that are auctioned via a complicated system. I personally don't mind: some of them make for super deals.
Mrs. Patricia Baxter, MA, MPA
Realtor with Nextage Achieve Realty
Manager Charles Stuart Homes
513 891 9300 (office)
513 225 0045 (cell)